SanDisk Ultra Dual Drive Go 256GB Black
Score: 71/100
Samsung USB-C Flash Drive 512GB Gray
Score: 84/100Rankings
The Samsung Type-C 512 GB provides 400 MB/s reads and 110 MB/s writes in an ultra-compact USB-C form factor with waterproof and shock-proof design. It is limited to USB-C connectivity and lacks a protective cap. Suited for mobile professionals requiring high capacity and portability.
The SanDisk Ultra Dual Drive Go 256 GB is a compact flash drive featuring dual USB-A and USB-C connectors and fast read speeds up to 150 MB/s. It lacks a disclosed write-speed rating and hardware encryption, which may limit its suitability for intensive data-write tasks. Ideal for users needing cross-platform file transfers on the go.
| Attribute | | |
|---|---|---|
256 GB | 512 GBbest | |
150 MB/s | 400 MB/sbest | |
— | 110 MB/sbest | |
| ↓ lower better | 3.7 g | 3.4 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 256 GB | 512 GB |
Performance(1) | ||
Read Speed (MB/s) | 150 MB/s | 400 MB/s |
Connectivity(1) | ||
Interface Type | USB 3.2 Gen 1 | USB‑C |
Build & Design(2) | ||
Weight (g) | 3.70 g | 3.4 g |
Dimensions (L×W×H) (mm) | 44.45×12.19×8.64 mm mm | 33.78×16.0×2.54 mm |
Products in the top-left offer the best value (high score, low price).
Retailer editors such as B&H Photo and Staples praise the drive's multi-proof construction and its advertised 400 MB/s read performance on USB-C 3.2 Gen 1, emphasizing fast and efficient data transfer for high-capacity needs. However, professional reviews are limited, leaving independent verification of real-world endurance and write performance scarce.
Everyday users consistently highlight the drive's high read speed, tiny form factor, and rugged, water- and shock-proof build as major positives for on-the-go use. The most common criticism revolves around the comparatively slow write speed and the absence of a protective cap.
